github.com/keybase/client/go@v0.0.0-20241007131713-f10651d043c8/libkb/flock_windows_test.go (about) 1 // Copyright 2015 Keybase, Inc. All rights reserved. Use of 2 // this source code is governed by the included BSD license. 3 4 //go:build windows 5 // +build windows 6 7 package libkb 8 9 import ( 10 "os" 11 "os/exec" 12 "syscall" 13 "testing" 14 ) 15 16 func exists(name string) bool { 17 _, err := os.Stat(name) 18 return !os.IsNotExist(err) 19 } 20 21 // run runs arg command. It returns error if command could not be run. 22 // If command did run, the function will return error == nil and 23 // integer command exit code. 24 func run(arg ...string) (int, error) { 25 err := exec.Command(arg[0], arg[1:]...).Run() 26 if err != nil { 27 if e2, ok := err.(*exec.ExitError); ok { 28 if s, ok := e2.Sys().(syscall.WaitStatus); ok { 29 return int(s.ExitCode), nil 30 } 31 } 32 return 0, err 33 } 34 return 0, nil 35 } 36 37 func TestLockPIDFile_windows(t *testing.T) { 38 39 g := MakeThinGlobalContextForTesting(t) 40 lpFile := NewLockPIDFile(g, "TestLockPIDWin") 41 err := lpFile.Lock() 42 43 if !exists("TestLockPIDWin") { 44 t.Fatalf("LockPIDFile: file creation failed") 45 } else if err != nil { 46 t.Fatalf("LockPIDFile failed: %v", err) 47 } else { 48 // External process should be blocked from deleting the file 49 run("cmd", "/c", "del", "TestLockPIDWin") 50 if !exists("TestLockPIDWin") { 51 t.Fatalf("LockPIDFile: expected error deleting locked file") 52 } 53 } 54 lpFile.Close() 55 56 // External process should be able to delete the file now 57 exitcode, err := run("cmd", "/c", "del", "TestLockPIDWin") 58 if err != nil || exitcode != 0 || exists("TestLockPIDWin") { 59 t.Fatalf("LockPIDFile: exe.Command(del) failed: %v", err) 60 } 61 }